CN218620884U - Steel slag cooling and crushing rotary bed device - Google Patents

Abstract

The utility model discloses a steel slag cooling and crushing revolving bed device, which comprises a revolving device, a main frame, a slag receiving device, a hammer roller device, a tooth roller device, a lifting device and a dust hood; the rotary device is horizontally arranged in the main frame, the slag receiving device is arranged at the top of the main frame, the rear end of the slag receiving device is sequentially provided with the hammer roller device and the tooth roller device along the length direction of the main frame, the roller shafts of the hammer roller device and the tooth roller device are arranged along the width direction of the main frame, the hammer roller device and the tooth roller device can be arranged at the upper part of the rotary device in a vertically movable manner, the lifting devices are arranged at two sides of the width direction of the rotary device, and the dust hood is arranged on the top of the main frame corresponding to the rotary device; through the combined mode of the hammer roller device, the tooth roller device and the rotary device which are sequentially arranged, the steel slag can be continuously poured into the crushing system, and can be driven to the slag outlet while being crushed, so that the continuous cooling and crushing treatment of the steel slag is realized.

Description

Steel slag cooling and crushing rotary bed device

Technical Field

The utility model relates to a melting slag handles technical field, especially relates to a broken revolving bed device of slag cooling.

Background

Along with the increasing importance of people on the environment, the requirement on the environment is also higher, and the steel slag treatment in factories is beneficial to reducing the environmental pollution and recycling the steel slag. At present, the steel slag treatment process mainly comprises a hot splashing method, a roller method, a hot stuffiness method and the like, wherein the hot stuffiness method can be widely applied because the steel slag can be rolled and crushed and subjected to hot stuffiness treatment to obtain stable steel slag.

However, the hot stuffy method comprises a roll nip and a hot stuffy zone, which has large floor area, large civil construction amount and higher engineering cost, and the existing steel slag waste heat recovery device has higher requirements on the temperature and the granularity of the steel slag, and the hot stuffy method cannot meet the requirements, so that the heat generated by treating the steel slag by the hot stuffy method can only be discharged in the form of dust-containing steam and cannot be effectively utilized, and in addition, the steel slag needs to be cooled and crushed to the specified temperature and granularity, so that the heat contained in the steel slag can be effectively recovered.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, the present invention provides a steel slag cooling crushing rotary bed device to solve the problem of how to cool and crush steel slag to a predetermined temperature and particle size, and to effectively recover the heat contained in the steel slag.

The utility model provides a broken revolving bed device of slag cooling, broken revolving bed device of slag cooling includes: the device comprises a rotary device, a main frame, a slag receiving device, a hammer roller device, a tooth roller device, a lifting device and a dust hood; inside the main frame was located to the slewer level, connect the sediment device to locate main frame top, be equipped with hammer roller device and tooth-like roller device along main frame length direction in proper order connecing sediment device rear end, the roller of hammer roller device and tooth-like roller device sets up along main frame width direction, slewer upper portion is located to hammer roller device and tooth-like roller device movable from top to bottom, slewer width direction's both sides are located to hoisting device, the dust excluding hood corresponds the slewer cover and locates on main frame top.

Furthermore, the fixed end of the lifting device is fixed on the main frame, the movable end of the lifting device is fixedly connected with the roller shafts of the hammer roller device and the tooth roller device, and the lower moving tangent plane of the hammer roller device and the tooth roller device is higher than the top surface of the slewing device.

Further, slewer includes drive sprocket device, driven sprocket device, chain device, drive sprocket device and driven sprocket device's sprocket shaft fixed mounting are on the main frame, chain device encircles drive sprocket device and driven sprocket device in order to carry the slag.

Further, the driving sprocket device includes drive sprocket, sprocket driving shaft, sprocket bearing assembly, sprocket driving motor speed reducer, and the sprocket driving shaft is fixed with drive sprocket, and the driving motor speed reducer passes through the shaft coupling to be connected with the sprocket driving shaft and rotates with drive sprocket, and the sprocket driving shaft passes through the support of sprocket bearing assembly, fixes on the main frame, driven sprocket device includes driven sprocket, sprocket driven shaft, sprocket bearing assembly, and the sprocket driven shaft is fixed with driven sprocket, and the sprocket driven shaft passes through the support of sprocket bearing assembly to be fixed on the main frame.

Furthermore, the chain device comprises chain plates, chain links and a chain shaft, wherein the chain plates and the chain links are fixed to form an integral unit, and then each chain link is hinged through the chain shaft to form a closed chain structure.

Furthermore, the chain device is sleeved on the driving chain wheel and the driven chain wheel, and when the chain wheel drives the motor reducer to work, the driving chain wheel rotates to drive the chain device to do rotary motion.

Further, the main frame includes bearing structure, chain strutting arrangement, slag discharging device, connects slag pan, scraper means, chain strutting arrangement has gyro wheel, gyro wheel seat, bearing structure forms sealed inside cavity through the welding shrouding, slag discharging device is the funnel structure of taking the grid, chain strutting arrangement, connect slag pan and scraper means to locate the slewer below.

Further, the slag receiving device comprises a slag receiving bottom plate, a slag receiving side plate and a slag receiving device frame; the slag receiving bottom plate is an integrally cast water-cooled wall, the slag receiving side plate is a steel plate welded water-cooled wall, the slag receiving side plate is fixedly connected with the slag receiving bottom plate to form a steel slag chute, and the slag receiving bottom plate and the slag receiving side plate are fixed at the front end of the top of the main frame through a slag receiving device frame.

Further, hammer roller device includes hammer roller main shaft, hammer roller bearing subassembly, roller hammer, hammer roller driving motor speed reducer, hammer roller main shaft passes through hammer roller bearing subassembly and supports, hammer roller bearing subassembly bolt joint is on hoisting device, the hammer structure that the roller hammer becomes for wear-resisting heat-resisting material casts, with hammer roller main shaft assembly, hammer roller driving motor speed reducer during operation drives hammer roller main shaft and roller hammer rotatory, with the bold slag hammering breakage.

Further, the tooth-like roller device comprises a tooth-like roller main shaft, a tooth-like roller bearing assembly, a roller tooth and a tooth-like roller driving motor speed reducer, wherein the tooth-like roller main shaft is supported by the tooth-like roller bearing assembly, the tooth-like roller bearing assembly is bolted on the lifting device, the roller tooth is a tooth-like structure cast by wear-resistant and heat-resistant materials and assembled with the tooth-like roller main shaft, and the tooth-like roller driving motor speed reducer drives the tooth-like roller main shaft and the roller tooth to rotate when working, so that a hard shell formed after liquid steel slag is watered is broken.

Further, the lifting device comprises a lifting device movable end, a lifting device fixed end and a lifting oil cylinder, wherein the lifting device fixed end comprises a lifting device fixed end box body and a lifting device roller train, the top of the lifting device movable end is bolted with a hammer roller device and a bearing assembly of the tooth roller device, the bottom of the lifting device movable end is hinged with an ear ring of the lifting oil cylinder, the lifting device fixed end box body is fixed on the main frame, and the lifting device roller train is fixed on the lifting device fixed end box body to limit the movement track of the lifting device movable end.

Further, the dust excluding hood is including the dust excluding hood body and spray set, the dust excluding hood body uses shaped steel as the skeleton and lower shop's steel sheet in order to form seal chamber, spray set is connected with the dust excluding hood body, and in the course of the work, spray set sprays and beats water so that the slag cooling and equipment cooling, and spray set beats produced dirty vapour of water in-process and is collected by the dust excluding hood body, gets into next grade processing apparatus in getting into the dust removal pipeline.

The utility model provides a broken gyration bed device of slag cooling, the hammer roller device through setting gradually, the mode of tooth-like roller device and the rotatory conveying combination of slewer, broken system can be poured into in succession to the slag, can be broken on one side, drives the slag notch with the slag on one side, realizes the continuous cooling broken handle of slag.

When liquid steel slag is treated, the hammer roller can be lifted to a standby position by the lifting device, the phenomenon that the temperature rise of the hammer roller is too high due to steel slag heat radiation is avoided, the tooth roller falls back to a working position by the lifting device, the tooth roller rotates to work, the surface of the steel slag layer gradually condensed on the chain plate is broken by the roller teeth, cooling water enters the inside of the steel slag layer, and the cooling hydrolysis effect of the steel slag is enhanced.

When the bulk steel slag is treated, the hammer roller falls back to the working position by the lifting device, the hammer roller rotates to work, the roller hammer hammers the bulk steel slag to break the bulk steel slag to a treatable size, and then the bulk steel slag enters the chain plate for transmission and is further cooled and broken by the tooth roller.

When the large steel slag cannot be crushed, the hammer roller and the tooth roller are lifted to a standby position by the lifting device, so that the large steel slag which cannot be processed enters the chain plate, passes through the processing stations of the hammer roller and the tooth roller, and is discharged out of the cooling crushing device after being further transmitted.

Drawings

FIG. 1 is a front view of a steel slag cooling and crushing rotary bed device of the utility model;

FIG. 2 is a top view of the steel slag cooling, crushing and rotating bed device of the present invention;

the symbols in the figure illustrate:

1-a turning gear; 2-a main frame; 3-a slag receiving device; 4-hammer roll device; 5-a toothed roller arrangement; 6-a lifting device; 7-dust hood;

11-a drive sprocket assembly; 12-a driven sprocket arrangement; 13-a chain arrangement; 14-a drive sprocket; 15-sprocket drive shaft; 16-a sprocket bearing assembly; 17-a driven sprocket; 18-sprocket driven shaft; 19-link plate; 110-chain links; 111-chain axis;

21-a support structure; 22-chain support means; 23-a slag tapping device; 24-a slag receiving disc; 25-a squeegee assembly; 26-a roller; 27-roller seat;

31-a slag receiving bottom plate; 32-slag-receiving side plate; 33-slag receiver frame;

41-hammer roll spindle; 42-hammer roll bearing assembly; 43-roller hammer;

51-tooth roller main shaft; 52-a geared roller bearing assembly; 53-roller teeth;

61-lifting the movable end of the device; 62-lifting device fixed end; 63-lifting the oil cylinder; 64-lifting device fixed end box body; 65-lifting device roller group;

71-a dust removing cover body; 72-spray means.

Detailed Description

In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in fig. 1-2, the utility model relates to a broken revolving bed device of slag cooling, broken revolving bed device of slag cooling includes: the device comprises a rotary device 1, a main frame 2, a slag receiving device 3, a hammer type roller device 4, a tooth type roller device 5, a lifting device 6 and a dust hood 7; the slewing device 1 comprises a driving chain wheel device 11, a driven chain wheel device 12 and a chain device 13, wherein the driving chain wheel device 11 and the driven chain wheel device 12 are arranged on the main frame 2; the slag receiving device 3 is arranged on the main frame 2; the hammer roller device 4 and the tooth roller device 5 are fixed on a lifting device 6, and the lifting device 6 is connected with the main frame 2. Molten steel slag is poured onto the slag receiving device 3, liquid steel slag directly enters the slewing device 1, large steel slag is hammered and crushed by the hammer type roller device 4 and then enters the slewing device 1, the spraying device 72 sprays and pumps water, the gear type roller device 5 crushes hard shells formed on the surface of the steel slag during pumping water, and the steel slag enters the slag discharging device 23 and enters the next-stage treatment process.

The slag receiving device 3 comprises a slag receiving bottom plate 31, a slag receiving side plate 32 and a slag receiving device frame 33; the slag receiving bottom plate 31 is an integrally cast water-cooled wall; the slag receiving side plate 32 is a steel plate welded water-cooled wall and is connected with the slag receiving bottom plate 31 to form a steel slag chute; the slag receiving bottom plate 31 and the slag receiving side plate 32 are fixed on a slag receiving device frame 33, and the slag receiving device frame 33 is bolted with the main frame 2. When molten steel slag is poured onto the slag receiving device, the molten steel slag flows downward along the slag receiving bottom plate 31, and the slag receiving side plates 32 prevent the steel slag from overflowing to both sides.

The hammer roller device 4 comprises a hammer roller main shaft 41, a hammer roller bearing assembly 42, a roller hammer 43 and a hammer roller driving motor reducer; the hammer roller main shaft 41 is supported by a hammer roller bearing assembly 42; the hammer roller bearing assembly 42 is bolted to the lifting device 6; the roll hammer 43 is a hammer structure cast by wear-resistant and heat-resistant materials and assembled with the hammer roll spindle 41; when the hammer roller driving motor reducer works, the hammer roller main shaft 41 and the roller hammer 43 are driven to rotate, and the large steel slag is hammered and crushed.

The tooth-type roller device 5 comprises a tooth-type roller main shaft 51, a tooth-type roller bearing assembly 52, a roller tooth 53 and a tooth-type roller driving motor reducer; the tooth roller main shaft 51 is supported by a tooth roller bearing assembly 52; the geared roller bearing assembly 52 is bolted to the lifting device 6; the roller teeth 53 are tooth-shaped structures cast by wear-resistant heat-resistant materials and are assembled with the tooth-shaped roller main shaft 51; when the gear roller driving motor reducer works, the gear roller main shaft 51 and the roller gear 53 are driven to rotate, and hard shells formed after liquid steel slag is watered are crushed.

The driving chain wheel device 11 comprises a driving chain wheel 14, a chain wheel driving shaft 15, a chain wheel bearing assembly 16 and a chain wheel driving motor reducer; the chain wheel driving shaft 15 is fixed with the driving chain wheel 14, and the driving motor reducer is connected with the chain wheel driving shaft 15 through a coupler to drive the driving chain wheel 14 to rotate; the sprocket drive shaft 15 is supported by a sprocket bearing assembly 16 and fixed to the main frame 2. The driven chain wheel device 12 comprises a driven chain wheel 17, a chain wheel driven shaft 18 and a chain wheel bearing assembly 16; the chain wheel driven shaft 18 is fixed with the driven chain wheel 17, supported by the chain wheel bearing assembly 16 and fixed on the main frame 2, and the chain device 13 comprises a chain plate 19, a chain link 110 and a chain shaft 111; the chain plate 19 and the chain links 110 are fixed to form an integral unit, and each chain link 110 is hinged through a chain shaft 111 to form a closed chain structure. When the chain wheel drives the motor reducer to work, the driving chain wheel 14 rotates to drive the chain device 13 to do rotary motion. When the steel slag falls into the rotating device 1, the steel slag enters a closed chain structure formed by the chain device 13, and the chain device 13 drives the steel slag to move forward under the driving of the driving chain wheel 14.

The main frame 2 comprises a supporting structure 21, a chain supporting device 22, a slag discharging device 23, a slag receiving disc 24 and a scraper device 25; the supporting structure 21 is a welding part, is used as a bearing structure of the steel slag cooling, crushing and rotating bed device, is fixed on the ground, and forms a sealed inner cavity by welding a sealing plate to prevent dust-containing gas from overflowing in the working engineering; the chain supporting device 22 comprises a roller 26 and a roller seat 27, is arranged below the chain device 13 and supports the chain link 110 when the chain device 13 rotates; the slag discharging device 23 is of a funnel structure with a grating, so that steel slag with a granularity smaller than a specified granularity can enter the next stage of process through the funnel, and steel slag with a granularity larger than the specified granularity is screened out by the grating and enters a large steel slag treatment process; the slag receiving disc 24 and the scraper device 25 are positioned below the rotating device 1 and are used for removing and collecting steel slag which is adhered to the chain plate 19 and does not enter the slag discharging device 23.

The lifting device 6 comprises a movable end 61 of the lifting device, a fixed end 62 of the lifting device and a lifting oil cylinder 63; the top of the movable end 61 of the lifting device is bolted with the hammer type roller bearing assembly 42 and the tooth type roller bearing assembly 52, and the bottom of the movable end is hinged with an ear ring of a lifting oil cylinder 63; the lifting device fixed end 62 comprises a lifting device fixed end box body 64 and a lifting device roller set 65; the lifting device fixed end box body 64 is fixed on the main frame 2, and the lifting device roller group 65 is fixed on the lifting device fixed end box body 64 to limit the movement track of the movable end 61 of the lifting device; when the steel slag cannot be crushed, the lifting oil cylinder 63 jacks to drive the movable end 61 of the lifting device to slide in the fixed end 62 of the lifting device, so that large steel slag which cannot be crushed passes through.

The dust hood 7 comprises a dust hood body 71 and a spraying device 72; the dust removing cover body 71 takes profile steel as a framework, a steel plate is laid in the framework to form a sealed cavity, and the sealed cavity is fixed on the main frame 2; the spraying device 72 is connected with the dust removal cover body 71, and sprays and pumps water to the revolving device 1, the hammer type roller device 4 and the tooth type roller device 5 in the working process, so that the steel slag can be cooled, and the equipment can be cooled; dust-containing steam generated in the water pumping process of the spraying device 72 is collected by the dust removing cover body 71 and enters the next-stage treatment device in the dust removing pipeline.

Utilize the broken gyration bed device of slag cooling of the utility model to carry out the slag cooling breakage, including the following steps:

step 1: the molten steel slag is poured onto the slag receiving device 3, the steel slag flows downwards along the slag receiving bottom plate 31, the liquid steel slag directly enters the slewing device 1, and large steel slag is hammered and crushed by the hammer type roller device 4 and then enters the slewing device 1;

step 2: the revolving device 1 drives the steel slag to move forwards, in the moving process, the spraying device 72 sprays and pumps water, and the tooth-type roller device 5 breaks hard shells formed on the surface of the steel slag during pumping water so that cooling water enters the steel slag;

and step 3: when the steel slag is too large in size and cannot be crushed, the hammer type roller device 4 and the tooth type roller device 5 are lifted by the lifting device 5, and large steel slag directly passes through the rotating device 1;

and 4, step 4: the steel slag is driven by the rotating device 1 to move forwards, the steel slag enters the slag discharging device 23, the steel slag with the granularity smaller than the specified granularity enters the next-stage process through the funnel, the steel slag with the granularity larger than the specified granularity is screened out by the grating, and the steel slag enters the large steel slag processing process.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (9)

1. The utility model provides a slag cooling crushing revolving bed device which characterized in that: comprises a rotary device (1), a main frame (2), a slag receiving device (3), a hammer type roller device (4), a tooth type roller device (5), a lifting device (6) and a dust hood (7); slewer (1) level is located inside main frame (2), connect sediment device (3) to locate main frame (2) top, be equipped with hammer roller device (4) and tooth-like roller device (5) along main frame (2) length direction in proper order connecing sediment device (3) rear end, hammer roller device (4) set up along main frame (2) width direction with the roller of tooth-like roller device (5), slewer (1) upper portion is located to hammer roller device (4) and tooth-like roller device (5) movable from top to bottom, slewer (1) width direction's both sides are located in hoisting device (6), dust excluding hood (7) correspond slewer (1) cover and locate on main frame (2) top.

2. The steel slag cooling, crushing and rotating bed device according to claim 1, characterized in that: the fixed end of the lifting device (6) is fixed on the main frame (2), the movable end of the lifting device (6) is fixedly connected with the roller shaft of the hammer roller device (4) and the gear roller device (5), and the downward moving tangent plane of the hammer roller device (4) and the gear roller device (5) is higher than the top surface of the slewing device (1).

3. The steel slag cooling, crushing and rotating bed device according to claim 1, characterized in that: slewer (1) includes drive sprocket device (11), driven sprocket device (12), chain device (13), drive sprocket device (11) includes sprocket bearing assembly (16), driven sprocket device (12) includes sprocket bearing assembly (16), drive sprocket device (11) passes through sprocket bearing assembly (16) with the sprocket shaft of driven sprocket device (12) and supports fixed mounting on main frame (2), chain device (13) encircle drive sprocket device (11) and driven sprocket device (12) in order to carry the slag.

4. The steel slag cooling, crushing and rotating bed device according to claim 3, characterized in that: the driving chain wheel device (11) further comprises a driving chain wheel (14), a chain wheel driving shaft (15) and a chain wheel driving motor speed reducer, the chain wheel driving shaft (15) is fixed to the driving chain wheel (14), the driving motor speed reducer is connected with the chain wheel driving shaft (15) through a coupler to drive the driving chain wheel (14) to rotate, the chain wheel driving shaft (15) is supported and fixed to the main frame (2) through a chain wheel bearing assembly (16), the driven chain wheel device (12) further comprises a driven chain wheel (17) and a chain wheel driven shaft (18), the chain wheel driven shaft (18) is fixed to the driven chain wheel (17), and the chain wheel driven shaft (18) is supported and fixed to the main frame (2) through the chain wheel bearing assembly (16).

5. The steel slag cooling, crushing and rotating bed device according to claim 4, characterized in that: the chain device (13) comprises chain plates (19), chain links (110) and a chain shaft (111), the chain plates (19) and the chain links (110) are fixed to form an integral unit, then each chain link (110) is hinged through the chain shaft (111) to form a closed chain structure, the chain device (13) is sleeved on the driving chain wheel (14) and the driven chain wheel (17), and when the chain wheel driving motor reducer works, the driving chain wheel (14) rotates to drive the chain device (13) to do rotary motion.

6. The steel slag cooling, crushing and rotating bed device according to claim 1, characterized in that: main frame (2) include bearing structure (21), chain strutting arrangement (22), slag discharging device (23), connect slag pan (24), scraper means (25), chain strutting arrangement (22) have gyro wheel (26), gyro wheel seat (27), bearing structure (21) form sealed inside cavity through the welding shrouding, slag discharging device (23) are the funnel structure of taking the grid, slewer (1) below is located in chain strutting arrangement (22), connect slag pan (24) and scraper means (25).

7. The steel slag cooling, crushing and rotating bed device according to claim 1, characterized in that: hammer roller device (4) are including hammer roller main shaft (41), hammer roller bearing subassembly (42), roller hammer (43), hammer roller driving motor speed reducer, hammer roller main shaft (41) support through hammer roller bearing subassembly (42), hammer roller bearing subassembly (42) bolt is on hoisting device (6), hammer structure that roller hammer (43) cast for wear-resisting heat-resisting material assembles with hammer roller main shaft (41), hammer roller driving motor speed reducer during operation drives hammer roller main shaft (41) and roller hammer (43) rotatory, and is broken with bold slag hammering.

8. The steel slag cooling, crushing and rotating bed device according to claim 1, characterized in that: tooth-like roller device (5) are including tooth-like roller main shaft (51), tooth-like roller bearing subassembly (52), roller tooth (53), tooth-like roller driving motor speed reducer, tooth-like roller main shaft (51) support through tooth-like roller bearing subassembly (52), tooth-like roller bearing subassembly (52) bolt is on hoisting device (6), tooth-like structure that roller tooth (53) cast for wear-resisting heat-resisting material assembles with tooth-like roller main shaft (51), tooth-like roller driving motor speed reducer during operation drives tooth-like roller main shaft (51) and roller tooth (53) rotatory, and the crust that forms after beating liquid steel slag is broken.

9. The steel slag cooling, crushing and rotating bed device according to claim 1, characterized in that: the lifting device (6) comprises a lifting device movable end (61), a lifting device fixed end (62) and a lifting oil cylinder (63), wherein the lifting device fixed end (62) comprises a lifting device fixed end box body (64) and a lifting device roller set (65), the top of the lifting device movable end (61) is bolted with a bearing assembly of the hammer type roller device (4) and the tooth type roller device (5), the bottom of the lifting device movable end (61) is hinged with an ear ring of the lifting oil cylinder (63), the lifting device fixed end box body (64) is fixed on the main frame (2), and the lifting device roller set (65) is fixed on the lifting device fixed end box body (64) to limit the movement track of the lifting device movable end (61).

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